import React from 'react'
import {NavLink,Route,Routes,Navigate} from "react-router-dom"
import About from './pages/About'
import Home from './pages/Home'

export default function App() {
  return (
    <div>
      <div className="row">
        <div className="col-xs-offset-2 col-xs-8">
          <div className="page-header">
            <h2>React Router Demo</h2>
          </div>
        </div>
      </div>
      <div className="row">
        <div className="col-xs-2 col-xs-offset-2">
          <div className="list-group">
            {/* 路由链接 */}
            <NavLink className="list-group-item" to="/about"> 
              About
            </NavLink>
            <div>-----</div>  
            <NavLink className="list-group-item" to="/home">
              Home
            </NavLink>
          </div>
        </div>
        <div className="col-xs-6">
          <div className="panel">
            <div className="panel-body">
              {/* 注册路由 */}
              <Routes>
                <Route path='/about' element={<About />}/>
                <Route path='/home' element={<Home />}/>
                <Route path='/' element={<Navigate to="/about" />}/>
              </Routes>
            </div>
          </div>
        </div>
      </div>
    </div>
  )
}
